diff options
Diffstat (limited to 'drivers/thermal/ti-soc-thermal/ti-thermal.h')
| -rw-r--r-- | drivers/thermal/ti-soc-thermal/ti-thermal.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/thermal/ti-soc-thermal/ti-thermal.h b/drivers/thermal/ti-soc-thermal/ti-thermal.h new file mode 100644 index 00000000000..5055777727c --- /dev/null +++ b/drivers/thermal/ti-soc-thermal/ti-thermal.h @@ -0,0 +1,117 @@ +/* + * OMAP thermal definitions + * + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ + * Contact: + * Eduardo Valentin <eduardo.valentin@ti.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ +#ifndef __TI_THERMAL_H +#define __TI_THERMAL_H + +#include "ti-bandgap.h" + +/* sensors gradient and offsets */ +#define OMAP_GRADIENT_SLOPE_4430 0 +#define OMAP_GRADIENT_CONST_4430 20000 +#define OMAP_GRADIENT_SLOPE_4460 348 +#define OMAP_GRADIENT_CONST_4460 -9301 +#define OMAP_GRADIENT_SLOPE_4470 308 +#define OMAP_GRADIENT_CONST_4470 -7896 + +#define OMAP_GRADIENT_SLOPE_5430_CPU 65 +#define OMAP_GRADIENT_CONST_5430_CPU -1791 +#define OMAP_GRADIENT_SLOPE_5430_GPU 117 +#define OMAP_GRADIENT_CONST_5430_GPU -2992 + +/* PCB sensor calculation constants */ +#define OMAP_GRADIENT_SLOPE_W_PCB_4430 0 +#define OMAP_GRADIENT_CONST_W_PCB_4430 20000 +#define OMAP_GRADIENT_SLOPE_W_PCB_4460 1142 +#define OMAP_GRADIENT_CONST_W_PCB_4460 -393 +#define OMAP_GRADIENT_SLOPE_W_PCB_4470 1063 +#define OMAP_GRADIENT_CONST_W_PCB_4470 -477 + +#define OMAP_GRADIENT_SLOPE_W_PCB_5430_CPU 100 +#define OMAP_GRADIENT_CONST_W_PCB_5430_CPU 484 +#define OMAP_GRADIENT_SLOPE_W_PCB_5430_GPU 464 +#define OMAP_GRADIENT_CONST_W_PCB_5430_GPU -5102 + +/* trip points of interest in milicelsius (at hotspot level) */ +#define OMAP_TRIP_COLD 100000 +#define OMAP_TRIP_HOT 110000 +#define OMAP_TRIP_SHUTDOWN 125000 +#define OMAP_TRIP_NUMBER 2 +#define OMAP_TRIP_STEP \ + ((OMAP_TRIP_SHUTDOWN - OMAP_TRIP_HOT) / (OMAP_TRIP_NUMBER - 1)) + +/* Update rates */ +#define FAST_TEMP_MONITORING_RATE 250 + +/* helper macros */ +/** + * ti_thermal_get_trip_value - returns trip temperature based on index + * @i: trip index + */ +#define ti_thermal_get_trip_value(i) \ + (OMAP_TRIP_HOT + ((i) * OMAP_TRIP_STEP)) + +/** + * ti_thermal_is_valid_trip - check for trip index + * @i: trip index + */ +#define ti_thermal_is_valid_trip(trip) \ + ((trip) >= 0 && (trip) < OMAP_TRIP_NUMBER) + +#ifdef CONFIG_TI_THERMAL +int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id, char *domain); +int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id); +int ti_thermal_report_sensor_temperature(struct ti_bandgap *bgp, int id); +int ti_thermal_register_cpu_cooling(struct ti_bandgap *bgp, int id); +int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id); +#else +static inline +int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id, char *domain) +{ + return 0; +} + +static inline +int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id) +{ + return 0; +} + +static inline +int ti_thermal_report_sensor_temperature(struct ti_bandgap *bgp, int id) +{ + return 0; +} + +static inline +int ti_thermal_register_cpu_cooling(struct ti_bandgap *bgp, int id) +{ + return 0; +} + +static inline +int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id) +{ + return 0; +} +#endif +#endif |